Primary Evidence: Joseph's 1863 Letter
Col. J. R. Smith
Dear Sir,
Isaac Cuberley a member of the 15th Regt Michigan Infantry was taken to Detroit about two weeks since by Lieut. John Brown. His family are anxious to know whether he is sent to his regt or what disposition has been made of him. Will you have the kindness to inform me by the bearer and much oblige.
Yours respectfully,
Joseph Jubinville
Hudson, April 17th, 1863
The following notation was added to the original letter:
The above named Cuberly was discharged by the surgeon from these quarters April 4th, 1863.
— E. D. Robinson